Malvaceae 95. MALVACEAE
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1 Malvaceae 1. Diplodiscus paniculatus Turcz., Bull. Soc. (Imp.) Nat. Mosc. 31: 325, 1858; Kosterm., Reinwardtia 5: 257,1960. Trees. Branchlets densely stellate-pubescent, later glabrous Leaves oblong, 8 x 2 cm, often variable. pronounced midrib with 5-7 ascendingly curved nerves, shiny above, grayish beneath with ciliate scales, obtuse to short-acute, base obtuse to rounded, frequently inequilateral; petioles 1.25 cm long, scaly. Panicles sometimes widely branched, yellowish gray-iepidote; flowers cymosely clustered toward ends of branchlets, yellowish white, fragrant, short-ped icelled; ovaries scale-covered; styles free toward top. Fruits brown-scaly, ridged longitudinally, hard. subglobose, 2 cm across. Endemic. Throughout the Philippines, in primary forests at low and medium altitudes; in Mt. Makiling, Luzon, common, mostly in lowland areas. Com. name - Balobo (Lan., Mag.. Mbo., Tag. ). Exsicc. - Galinato CA , ,106519; Gates CA 1731, 1783; Espiritu CA 6091; Plata CA 890; O,1ido CA 10368; Ela CA 3165(CAHP); Sulit ; Mabanag (US). 95. MALVACEAE Herbs, shrubs or trees, rarely scandent. Branches usually with mucilaginous juice and tenacious inner bark. Leaves alternate, simple, entire to deeply parted, mostly palmately nerved or at least plinerved at base, herbaceous parts often stellately pubescent; stipules free, sometimes caducous. Bracteoles 3 or more, whorled at base of calyx or entirely wanting; flowers axillary or terminal, solitary or panicled, regular, bisexual; sepals 5, free or connate; petals 5; stamens many, seldom few, monadelphous, more or less adnate to base of petals; anthers various; ovaries 2- to many-celled, entire or lobed, of 2-5 or more carpels arranged in whorl around a central axis. Fruits of dry cocci separating from axis or capsular and loculicidal; seeds reniform or obovoid, either glabrous, hairy or woolly. Genera 50 with 1000 species, of wide tropical and temperate distribution; 11 genera and 50 species in the Philippines. 1. Fruits capsular 2. Stigmas coherent in a clavate mass 3. Bracteoles small Thespesia 3. Bracteoles very iarge Gossypium 2. Stigmas spreading or nearly so 4. Calyx splitting on one side during anthesis, minutely 5-toothed at apex, ad nate to corolla and falling off later after flowering Abelmoschus
2 95. Malvaceae Calyx not (or rarely) splitting on one side during anthesis, 5-parted, not adnate to corolla, persisting after fiowering Hibiscus 1. Fruits composed of carpels arranged about an axis 5. Style! or branches of stigmas twice as many as carpels 6. Flowers in heads with involucre; epicalyx absent Malachra 6. Flowers usua lly axillary, solitary, occasiona lly in axillary clusters; epicalyx present 7. Flowers pink; petals never auriculate; fruits covered with terminally hooked spines; common weed Urena 7. Flowers deep red; petals aurlcled at base; fruits smooth; cultivated Malvaviscus 5. Styles or stigmatic branches as many as carpels 8. Leaves cordately ovate Abutilon 8. Leaves oblong, never cordate 9. Carpels with 3 spines; ovules ascending Malvastrum 9 Carpels with 2 awns or awnless; ovules pendulous O. Sida 1. THESPESIA Solander ex Correa, nom. cons. Shrubs or trees. Leaves entire or lobed. Inflorescences axillary, flowers large, solitary or In few-flowered peduncles; bracteoles 3-15 arising from thickened end of peduncle, deciduous, small; calyx. truncate, minutely 5-toothed; corolla convolute, yellow with large purple spot at base; staminal tube 5-toothed at apex; ovaries 4- or 5-celled; styles club-shaped, 5-furrowed, entire or 5-toothed; stigmas coherent in a clavate mass; ovules few in each cell. Capsules loculicidal or scarcely dehiscent; seeds glabrous or tomentose. Species 15, paleotropic; 2 in the Ph ilippines. 1 Leaves 3-veined, stellate-pubescent beneath, larger ones 3-lobula, T J. Ipa.'. 1. Leaves 7-veined; scurfy-pubescent beneath, never lobulate T popu noa 1. Thespesia fampas (Cav.) Dalz. & Gibbs, Bom b. FI 19, 1861; Fryell, Austr. J. Bot. 13: 96, 1965; Borss., Blumea 14: 116, Hibiscus lampas Cav., Diss. 3: 154,1.56, f2, Shrubs erect, 2-3 m high. Leaves ovate, cm long, 3-veined, subentire or somewhat 3-lobed, glabrous on upper surface, stellate-pubescent beneath, lobules acute to subacuminate, base broad, shallowly cordate with a pair of glands; petioles 3-5 cm long, downy; stipules subulate. Peduncles mostly axillary forming a somewhat 3-flowered panicle; bracteoles 4-8, subulate; sepals subulate. connate below middle; corolla campanulate. Capsules ovoid, villous when young, 3 cm long, 4- or 5-valved; seeds glabrescent.
3 Malvaceae Eastern Africa. southeastern Asia to Malesia. Throughout the Philippines, in thickets and open places at low and medium altitudes. Com. name - Bulak-bulak (Tag.). Exsicc. - Coronel CA 2868 (CAHP). 2. Thespesia populnea (L.) Soland. ex Carr, Ann. Mus. Hist. Nat. Paris 9: 290,1807; Li, Woody FI Taiwan 551, f 214,1963; Fryxell, Austr. J. Bot. 11 : 98, Hibiscus populneus L., Sp. PI 2: 694, Trees crooked, about 10m high. Branchlets with small, brownish, peltate scales. Leaves entire, ovate, 8-15 cm long, 7 -veined, nether side scurfy, acu te to sharply acuminate, broadly rounded to cordate at base, with glands between nerves at base; petioles 5-8 cm long. Flowers axillary, solitary, long-stalked with lanceolate bracts; calyx truncate, 1.5 cm across; petals strongly imbricate, turning dull purple with age; staminal tube toothed at top, free filamentous portion ascending. Capsules depressed-globose, 2-3 cm in diameter; seeds pilose or powdery on surface. Circumtropical, generally along seashores. Com. name - Banago (P. Bis., Tag.). Exsicc. - Gruezo WM24003 (CAHP). 2. GOSSYPIUM Linnaeus Annual or perennial herbs or erect shrubs, rarely low trees, nearly all parts dotted with black oil glands. Leaves chiefly palmate, 3- to several-lobed. Flowers upon axillary, usually Jointed peduncles, yellow, often with purple spot at base, large; bracteoles 3, free or shortly connate, usually foliaceous, entire or laciniately lobed; calyx cup-shaped, truncate or slightly 5-toothed; corolla campanulate; petals convolute or spreading; staminal tube 5-toothed at apex, ultimately with numerous free filaments; ovaries 5-celled; styles clavate, 5-grooved at apex, stigmas as many as staminal tubes; ovules many in each cell. Capsules loculicidally 3- to 5-ovuled; seeds densely clothed with fuzzy matrix or woolly hairs or both. Species 35, tropics of both hemispheres, many cultivated and introduced into most tropical countries of the Old World. 1. Gossypium hirsutum L, Sp. PI ed. 2, 975, 1763; Borss., Blumea ; Fryxell. Taxon 18: 585,1969.
4 95. Malvaceae 387 Herbs erect, branched, suffrutescent, m high, younger parts sparingly villous or stellate-villous. Leaves broadly ovate, 5-12 cm long, upper ones usually entire, lower ones 3-lobed at upper half; lobes broadly ovate, triangular-acuminate, lower surface conspicuously black-punctate, base cordate. Flowers yellow turn ing pinkish with age; bracteoles free, green, base deeply cordate, margins fimbriate-cleft; calyx 5-toothed; corolla 4 cm long. Fruits ovoid, 3.5 cm long, beaked, 3- or 4-celled. Seeds free from each other, densely covered with fine fuzz in addition to floss. Widely distributecl in tropical and warm countries. Recently introduced in the Philippines; cultivated. Com. name - Bulak (Tag.), Cotton (Engl.). Exsicc. - Pancho CA 20356, (CAHP). 3. ABELMOSCHUS Medicu$ Usually annual herbs coarse, erect, branched, more or less hairy. Leaves subentire or variously lobed, large. Flowers axillary; bracteoles 5 or more; calyx spathe-like, split down one side and falling off after flowering; petals 5, connate at base with stamirlal tube which is toothed at apex and bearing many anthers; ovaries 5-celled; cells many-ovuled; styles 5, connate below. Capsules loculicidally 5-valved. Species 15 or more, of wide tropical distribution; 7 in the Philippines. 1. Peduncles about as long as petioles; capsules 7 cm long or shorter; seeds with a musky odor A. moschatus 1. Peduncles much shorter than petioles; capsules cm long; cultivated A. esculcntus 1. Abelmoschus moschatus Medic., Malv. 46, Hibiscus abelmoschus L, Sp. PI. 2: 696,1753. var. moschatus Herbs erect, branched, hispid-hairy, 1 m high or less. Leaves orbicularovate to ovate, 6-15 cm long, variously angled or lobed, angles or lobes usually 3 or 5, rarely more, usually broad, base cordate, apex acuminate, margins toothed. Peduncles about as long as petioles; bracteoles linear, usually 8, 1.5 cm long; calyx 2-3 c m long, split down on one side, toothed at apex; corolla yellow, purple at base inside, 10 cm in diameter. Capsules oblong-ovoid, 5-7 cm long, hispid-hairy Seeds musky.
5 Malvaceae I India, southern China, Indochina, Malesia and the Pacific Islands. Throughout the Philippines, in wastelands. Com. name - Kalupi(Tag.). Exslcc. - McGregor (US). 2. Abelmoschus esculentus (L.) Moench, Meth. PI. 617, 1794; Borss., Blumea 14(1):100, Hibiscus esculentus L, Sp. PI. 2: Herbs erect, branched, hairy, m high. Leaves orbicular or orbicularovate, 25 cm long or less, base cordate, margins 3- or 5-lobed, lobes broadly ovate to oblong, coarsely toothed; petioles equaling or longer than leaves. Flowers axillary, solitary; pedicels 2 cm long; bracteoles 8 or 10, linear, deciduous: calyx hairy, 3 cm long; corolla large, yellow, deep-purple at base inside. Capsules cm long, narrowly oblong. Probably native of India, now cultivated as a vegetable in most tropical and subtropical countries. Throughout the Pnilippines. Com. name - Okra (Tag.); Lady finger (Engl.). Exsicc. - Lugod CA 8408 (CAHP). 4. HIBISCUS Linnaeus Herbs erect or subscandent, shrubs or trees. Branches hairy or smooth, seldom spiny. Leaves entire, toothed or palmately 5- to 11-nerved. Inflorescences axillary; bracteoles 5 or more, rarely wanting, free or connate at base; calyx lobulate, sometimes spathaceous and circumsciss; petals united at base with staminal tube, the latter truncate and 5-toothed at top; filaments numerous, ascending; anthers reniform, 1-celled; ovaries 5-celled, each cell with 3 or more ovules and opposite sepals; styles 5, united below; stigmas capitate. Capsu les loculicidal, occasionally falsely partitioned, then spuriously 1 O-celled; seeds glabrous, hairy or woolly. Species 400, in the tropical regions of both hemispheres; 11 in the Philippines. 1. Trees 2. Flowers white with altemate pink bases; capsules 3 cm long, subellipsoid; seeds shaggy H. glabrescens 2. Flowers yellow with dark purple at base; capsules 15 cm long, ovoid; seeds glandular-dotted H. tiliaceus 1. Shrubs 3. Flowers yellow or white with purple center 4. Bracteoles with an appendage; stems, petioles and pedicel prickly H. surattensis
6 95. Malvaceae Bracteoles without an appendage; stems not prickly or slightly prickly by stiff, sharp hairs 5. Leaves palmatilobed to parted; calyx with white arachnoid tomentum, mostly not becoming fleshy after flowering H. cannabmus 5. Leaves palmatifid to partite; calyx without white arachnoid tomentum, mostly becoming fleshy after flowering... 5 H. sabdanffa 3. Flowers pink, red or occasionally white 6. Plants pubescent H. mutabi/is 6. Plants glabrous 7. Petals entire; staminal column slightly longer than petals H rosa-sinensis 7. Petals deeply incised; stamlnal column twice as long as petals H sc/jlzopetalus 1. Hibiscus g/abrescens (Warb. ex Perk.) Gruezo, comb. nov. Basionym: BombyGidendron glabrescens Warb. ex Perk.. Fragm. FL Philip 16, Hibiscus camphylosiphon Turcz. var glabrescens (Warb. ex Perk.) Borss, Blumea 14( 1): 56, Bombycidendron vida/ianu/11 (Naves) Merr & Rolfe, Philip. J. Sc 3 (Bot.) 112, Hibiscus v/da/ianus Naves in Blco., FL Filip I 333, ; Vidal. Sinopsis. I. 16, f C descr Figure 115 Trees tall Leaves oblong. 15 x 5 cm, midrib with 9-12 pairs of prominent ascending nerves. much paler green beneath. gradually long-acuminate, base truncately rounded; petioles 1.5 cm long. puberulent. Buds erect: involucre united at truncate base, lanceolate segments curved upwardly. persistent: calyx thick. acutely lobed, velvety on inner side. becoming twice as large when In fruit; petals wllite with alternating pink base, broadest and rounded across top, soon falling off: anthers bilobed at base, filaments short. Capsules subellipsoid, 3 cm long. splitting open at apex into sharply pointed carpels; seeds shaggy. Endemic Philippines: Luzon to Mindoro and Palawan. in secondary forests at low and medium altitudes up to 1200 m. Cultivated in Sumatra and Malaysia; in Mt. Makiling, Luzon. mostly at low altitudes. Com. name - Vidal's lanutan (Tag.). Exsicc. - Reyes CA 8902"; Gales CA 1789; Velasco CA (CAHP); Villamil (US). 2. Hibiscus ti/iaceus L, Sp. PI. 2: 694, 1753; Li. Woody FII. Taiwan 545, f. 211, 1963; Smith, Ann. Mo. Bot. Gard. 52: 502,1965; Borss., Blumea 14(1): 29,1966. Trees suberect. up to 12 m high. twigs sometimes subglabrous. Leaves suborblcular and deeply cordate lobulate portion rounded, entire or nearly
7 Malvaceae Figure 115. Hibiscus glabrescens: 1. flowering branch; 2. petal; 3. flower, corolla removed; 4. ovary, vertical section: 5. ovary, cross section; 6. stamen; 7. capsule; 8. seed.
8 95. Malvaceae 391 so, em across, stoutly 5- to 7 -veined from base, glabrous and shiny on upper surface, grayish pubescent on nether surface: petioles as long as blades; stipules broad. caducous. Peduncles terminal, few-flowered. branches subtended by stipule-like bracts; bracteoles 9- to 1 O-toothed: sepals oblong, 2 em long, pubescent, acuminate; petals thin. yellow, dark purple at base. turning reddish yellow when old, obovately rounded, 5 cm across. Capsules ovoid, 1.5 cm long, brown-pubescent. 5-valved but falsely 10-celled; seeds glandular-dotted, subreniform. Pantropic, along seashores. Throughout the Philippines, along tidal streams; occasionally planted. Com. name - Ma/abago (Bik., Tag.). Exsicc. - Baes CA 2925: Ocremia CA 3413 (CAHP) 3. Hibiscus surattensis L, Sp. PI 2: 696,1753; Borss., Blumea 14(1)' 57,1966 Figure 116 Shrubs subscandent. Stems aculeate with long-recurved hairs. Leaves orbicular to cross-ova I, 5-10 x 8-15 cm, larger ones 5- to 7 -partite with linearlanceolate segments, often aculeate on nerves beneath: stipules semi-cordate, cm long. Pedicels 4-12 crn, articulate; bracteoles linear, cm. patent at base, upcurved, knee-shaped below middle, dorsal side with oblong-ianceolate appendage; corolla cm long. bright yellow, mostly with dark purple center. Fruits with dense, sharp setae. Tropical Africa, Asia and Malesia except New Guinea Throughout the Philippines. in open grasslands at low and medium altitudes; a weed in coconut plantations. Com. name - Sagmit, Sapinit (Tag.). Exsicc. - Or/ida CA 10257* (CAHP). 4. Hibiscus cannabinusl. Syst. ed. 10,1149,1759; Borss.. Blumea 14(1): 63,1966. Herbs erect, slightly branched or unbranched suffrutescent, m high. Stems with scattered small prickles. Leaves broadly ovate-orbicular, 6-15 cm long, glabrous or sparsely hairy; lobes 3-5, oblong. lanceolate or linear. Calyx after anthesis not becoming thick-fleshy, cm long, not or hardly longer than fruit; bracteoles of epicalyx 7-10, adnate to calyx, their free apices 7-10 mm long; corolla widely open, yellow or white with purple center. Fruits densely appressed-bristly, pedicels em, inarticulate. Tropical Africa. Pantropic in cultivation. Philippines: Luzon (Manila, Pangasinan, Bontoc) and Mindanao (Surigao); occasionally planted for ornamental purpose but scarcely naturalized. Com name - A/as dace (Sp.).
9 Malvaccae Figure 116. Hibiscus surattcnsis: 1. flowering and fruiting branch; 2. ovary, cross section; 3. bracts, opened; 4. seed, 2 views; 5. leaf.
10 95. Malvaceae Hibiscus sabdariffa L, Sp. PI. 2: 695,1753, Borss., Blumea 14(1 ): 64, Herbs suffrutescent, up to 3 m high. Stems smooth or covered with aculeate warts. Leaves broadly ovate-orbicu lar, 6-15 cm long, lobulate, lobes 3-5, oblong-ianceolate-ilnear. Calyx after anthesis becoming thick-fleshy, cm long, longer than fruit, sparsely pilose, without tomentum; bracteoles of epicalyx 8-12, basally connate, ad nate to base of calyx tube; corolla 3-5 cm long, pale yellow with bright yellow or purple center. Fruits sparsely to densely appressed-pilose; pedicels cm long, articulate. Tropical America. Pantropic in cultivation. In the Philippines, planted sporadicalliy for its edible calyces and for ornamental purpose. Com. name - Roselle (Engl.). Exslcc. - Hernaez CA 12467; Gates CA 1797 (CAHP). 6. Hibiscus mutabi/is L, Sp. PI. 2: 694,1753; S.Y Hu, Malvac. in FI. China F am. 153, 49, Shrubs erect, branched, 2-4 m high, Stems soft, terete, branches densely covered with short, grayish, stellate hairs. Leaves broadly ovate to orbicularly ovate, larger ones cordate at base,.3- to 5-bluntly lobed above middle, obscurely dentate; blade 7-15 cm across or larger, much paler beneath and soft-stellate. 5- to 7 -veined from base; petioles densely stellate. Pedicels of solitary flowers nearly as long as petioles, similar in vesture; bracteoles 7-10, linear, ascending, pubescent, almost free; calyx 3.5 cm long or twice as long as involucral bracts, stellate, 5 ovately oblong lobes connate below; corolla 10 cm long and as wide across top, single or double, opening pale pink and turning darker as day advances. Some forms have pure white corolla. Native of southern China. Early introduced and widely distributed in the Philippines, but nowhere in cultivation. Com. name - Amapo/a (Tag.). Exsicc. - Reyes CA (CAHP). 7. Hibiscus rosa-sinensis L., Sp. PI. 2' 694, 1753; Borss., Blumea 14(1 ):72, Shrubs erect. Branches many, young portion glabrous Leaves ovate, 7-12 cm long or longer, 3- to 5-vemed from base, middle one, more prominent with few lateral pairs above middle, coarsely toothed, acuminate, base obtuse to broadly round ed, entire; petioles 2-5 cm long; stipules setaceous, green. Flowers solitary In upperm ost leafaxils, simple or dou ble 10 cm long and nearly as broad across top, funnel-shaped, upon slender stalks; involucral bracts 6, lanceolate, green, length less than half of calyx; calyx green, glabr~us,
11 Malvaceae 2 cm in length, lobes ovate; petals red but deeper colored toward base, sometimes orange, yellow. white, pink, etc.. obovate, imbricate; staminal tube slender, exceeding corolla; filaments slender, free toward top; stigmas capitate, dark red, upon radiating branches. Probably a native of southeastern Asia; now cultivated in all tropical countries. Throughout the Philippines, planted for ornamental purpose and as hedge plant. Com. name - Gumame/a (Bik., Pamp., Tag.). Exsicc. - Steiner CA 10137; Prieto CA 1794; Magnaye CA 1795; Blancaver CA 4778; Alviar CA 1796 (CAHP). 8. Hibiscus schizopetalus (Mast.) Hook. f. in Curtis Bot. Mag. III, 36: t.6524, 1880; Borss., Blumea 14( 1): 73, H. rosa-sinensis L. var. schizopetalus Mast., Gard. Chron. 272, f.45, Shrubs suberect, up to 3 m high, branchlets somewhat drooping. Leaves diverse in size, usually ovately oblong, 5-7 cm long, midrib with 3 or 4 pairs of lateral ascending nerves, obscurely dentate, acuminate, base obtusely rounded, entire; petioles 1-3 cm long. Flowers axillary, solitary, usually toward ends of branchlets, drooping; pedicels slender, much-ascending foliage, 8 cm long; bracteoles minute; calyx green, 1.5 cm long, spathe-like; petals pale red except at clawed base, recurved, 5 cm long, divided into numerous laciniate segments; staminal tube slender, long-exserted, pendulous; filaments free, crowded toward top; capitate stigmas upon slender branches, sometimes rebranched. Possib Iy a native of tropical Africa; now cultivated inmost tropical countries. Widely planted in the Philippines, planted for ornamental purpose, but nowhere spontaneous. Com. name - Gumame/a de arana (Tag.). Exsicc.- Foxworthy CA 1798; Gutierrez CA 1799, 1800; Barroga CA 4805 (CAHP). 5. MALACHRA Linnaeus Annual herbs erect, branched, coarse, hairy. Flowers in axillary fascicles, usually intermixed with bracteoles; calyx tube cup-shaped, lobes 5; petals 5 free, above, coherent below and connate with base of staminal tube which is truncate or 5-toothed; filaments numerous; carpels 5, 1-ovuled; styles 10; ripe carpels indehiscent, separating from axis, smooth. Species 8, in tropical America; 2 in the Philippines. 1. Leaves obscurely and shallowly lobed; corolla usually yellow M. capitata 1. Leaves deeply palmate with 5 narrow lobes; corolla white, finally red M. fasciata var. lineariloba
12 95. Malvaceae Ma/achra capitata (L.) L., Syst. ed. 12: 458, 1767; Borss., Blumea 14(1): 146, Sida capitata L., Sp. PI. 2: 658, Figure 117 Herbs coarse, erect, simple or branched, coarsely hairy m high. Leaves suborbicular, 5-15 cm in diameter, obscurely and shallowlly lobed, finely toothed, base somewhat cordate; stipules linear. Flowers in axillary and terminal heads, bracteoles foliaceous, up to 1.5 cm long; calyx lobes short, slenderly acuminate; petals yellow, imbricate, 1 cm long Native of tropical America; now widely distributed in tropical countries. Throughout the Philippines, in wastelands. Com. name - Bakembakes (Ilk.). Exsicc. - Velasco CA 1803, 1804* (CAHP). 2. Ma/achra fasciata Jacq. var. Iineariloba (Turcz.) Guerke in EngL, Bot. Jahrb. 16: 1893; Merr, En Philip. 3: 36, M. lineariloba Turcz., Bull. Soc. (Imp.) Nat Soc. 31: 206,1858. Figure 118 Herbs stout, erect, more or less branched, hirsute, m high. Leaves cm long, split nearly to base into 5 linear or oblong-linear lobes, 5-15 mm wide, outer ones much shorter than inner, base obtuse or rounded. Flowers fascicled, axillary or on short axillary branches, each fascicle more or less enclosed by leafy bracts, bracts with basal, elongate, linear lobes; corolla white, finally red, 1 cm long. Native of tropical America. Widely distributed in the Philippines in open wastelands. Com. name - Paang-baliuis (Pang.). Exsicc. - Jarmin CA 1805, 1805-A* (CAHP). 6. URENA Linnaeus Herbs or undershrubs erect, branched, more or less covered with stellate hairs beneath. Leaves palmately lobed or rarely angled, larger long-petioled, lighter beneath. Flowers cymose, axillary, solitary or few-clustered, pink; bracteoles 5, shortly cuneate at base; calyx 5-parted; petals 5, connate below and adnate to staminal tube, often tomentose on back; staminal tube truncate or minutely toothed; anthers many, nearly sessile; ovaries 5-celled, each cell uni-ovulate, opposite petals; stigmas capitate, upon 10 branches. Carpels 5, glabrate or slightly tomentose, covered With hooked bristles or nearly smooth, indehiscent; seeds ascending. grayish brown, smooth, broadly rounded at dorsal side. A pantropical, monotypic genus.
13 Malvaceae Figure 117. Ma/achra capitata: 1. habit; 2. fruit with foliaceous bracteole; 3. mericarp; 4. seed; 5. stamen, 2 views; 6. flower; 7. flower, vertical section; 8. ovary, cross section.
14 95. Malvaceae 397 Figure 118. Ma/achra fasciata var. Iineariloba: 1. habit; 2. flower; 3. flower, vertical section; 4. stamen, 2 views; 5 ovary, cross section; 6. capsule with fol iaceous bracteole; 7. mericarp; 8. seed.
15 Malvaceae 1. Urena 'obata L, Sp. PI. 2: 692, 1753; Borss., Blumea 14 (1): 138, f 7-e, f 20 (right), ssp. 'obata var. 'obata Figure 119 Undershrubs erect, m high. Branches divaricate, twigs yellowish brown-tomentose. Leaves exceedingly variable, ovate to suborbicular, 3-9 cm long, larger ones angularly lobed or incised, sinuses usually broad, muchreduced ones not lobed, 5-veined from base, margins apiculate, base broadly rounded or shallowly cordate. Flowers solitary or few-clustered in terminal leaf axils, pale pink with deeper red bases, 1.75 cm in diameter, short-stalked; bracteoles deeply segmented, nearly as long as thinner calyx; corolla united below middle, lobes obovately rounded, imbricate. Fruits dry, depressed, roundly 5-lobulate, 7.5 mm across, covered with terminally hooked spines. Pantropic weed. Throughout the Philippines, in all waste or abandoned lands. Com. name - Mangkit (Tag.). Exsicc. - Stern CA 10092*; Agne CA 1818; Gates CA 1819 (CAHP). 7. MALVAVISCUS P.C. Fabricius Shrubs erect or scandent or small trees. Branches and branch lets more or less hispid, pilose or subglabrous. Leaves variously lobed, similar in vesture. Flowers red, peduncle, solitary or few-clustered, axillary but usually at ends of twigs; involucra I bracts linear, nearly as long as sepals; calyx lobes ciliate; corolla much-exserted, campanulate, imbricate; staminal column slenderly elongate, antheriferous toward top; ovaries 5-celled, each cell with one ovule; style branches 10. Fruits subglobose, somewhat fleshy, tardily separating into 5 indehiscent carpels. Species 3 and several botanical varieties; one variety in the Philippines. 1. Ma'vaviscus arboreus Cav. var. pendu/iflorus (DC.) Schery, Ann. Mo. Bot. Gard. 29: 223, M. pilosus DC., Prod. 1:145, M. penduliflorus Moc. & Sesse ex DC., loc. cit. Shrubs suberect, up to 2 m high. Young branches beset with stellately scattered hairs. Leaves diverse In size, usually ovate, 6-10 cm long, 5- to 7- veined from base, margins subentire or crenately toothed, acute to subacuminate, base broadly rounded ortruncate; petioles 1-5 cm long. Flowers in upper leafaxils, blood red, erect; bracteoles 7, green, equaling calyx, linearly oblong. connate at base, ciliate along edges: calyx green, 1 cm long;
16 95. Malvaceae 399 Figure 119. Urena 'obata ssp. 'obata var. 'obata. 1. habit; 2. flower; 3 stamen; 4. ovary, vertical section; 5. ovary. cross section; 6. fruit; 7. carpel, detached.
17 Malvaceae corolla 2.5 cm long, lobes strongly imbricate; staminal column long, slender; anthers with short filaments; stigmas conglomerated. Fruits smooth, obovoid; longitudinally costate, grooved, surrounded by bracts and calyx. Native of the West Indies, Central Mexico to Colombia. Cultivated in most towns in the Philippines. Com. name - Binatallg-hambog (Tag.). Exsicc. - Lugod CA 8231; Orlido CA 4715; Hemaez CA (CAHP). 8. ABUTILON Miller Herbs or undershrubs erect, suffrutescent, seldom trees. Branches usually stellately gray-pubescent. Leaves cordate, ovate, mostly angularly lobed, pubescent. Flowers axillary or terminal, ebracteolate, usually solitary, yellow; calyx tubular below, cleft into 5 valvate segments; petals 5, connate below and adnate to staminal tube later divided into numerous filaments; ovaries 5 to many, each cell with 3-9 ovules; styles as many as ovaries, filiform or clubshaped, papillose at stigmatic end. Carpels finely separating from axis, rounded at apex of individual parts extended into a beak. Species 150, in tropical and subtropical regions of both hemispheres; 3 in the Philippines. 1. Abutilon indicum (L) Sweet, Hort. Brit. 54, 1826.; Li, Woody FI. Taiwan 543, f. 210,1963; Borss., Blumea 14(1): 171, f.19d, Sida indica L. ill Torner Cent. PI. 2: Perennial plants, branched, suffrutescent, m high. Leaves ovately orbicular, 5-12 cm long, 5- to 7 -veined from base, subentire or irregularly toothed, soft, ash-gray-pubescent on both surfaces, short or slenderly acuminate, deeply cordate at base; petioles 3-8 cm long, pubescent. Flowers axillary, solitary, long ascending peduncles jointed near tip, soft-pubescent; calyx green, broadly toothed, otherwise cupular; corolla 2 cm long. Capsules 1.5 cm long and somewhat wider, dry, composed of closely set, pubescent, shortly awned carpels. Pantropic. Throughout the Philippines; in thickets and wastelands in and about settled areas. Com. name - Malvas (Sp.). Exsicc. - Sulit, Jr. CA 10743,10744: Velasco CA 1786: Estioko, Jr. CA 1787,1788; Orlido CA 10645,10646,12970,12971 (CAHP).
18 95. Malvaceae MALVASTRUM A Gray, nom. cons. Herbs erect or prostrate, suffrutescenl. Leaves toothed, entire or divided. Flowers pedicel led or sessile, axillary or terminal, occasionally forming subpanicles, yellow; calyx cup-shaped, subtended by 1- to 3-segmented involucre or not; petals longer than sepals; stamina I tube with numerous anthers and with no sterile tooth; ovaries 5- or more-celled, each with solitary, erect or ascending ovule; styles as many as carpels, arms capitate, papillose at stigmatic end. Ripe carpels separating from short central torus, indehiscent, 1-seeded, usually beaked. Species 3 or more, chiefly in tropical and subtropical America, some in South Africa; 1 in the Pnilippines. 1. Malvastrum coromandelianum (L.) Garcke, Bonplandia 5: 295, 1857; LI, Woody FI. Taiwan 547, (212, 1963; Borss., Blumea 14(1)' 152, Malva coromandeliana L. Sp PI. 2: 637,1753. Figure 120 Herbs erect, 1 m high or less. suffrutescent, young portion of stem strigose. Leaves ovately oblong to lanceolate or smaller ones oblong, 2-5 x 1-3 cm, irregularly toothed, obtuse, base usually rounded, petioles 3 cm long, strigose. Flowers axillary and terminal; pedicels strigose, shorter than petioles; calyx green, strigose, 7 mm long, broad, lanceolate lobes acum inate; petals a trifle longer than calyx. Fruits consisting of 8-12 carpels, reniform, 2-3 mm long, compressed, hirsute, with 3 short straight awns. Native of tropical America. Throughout the Philippines, a common and abundantly distributed weed in wastelands. Com. name - Babara (Ilk.). Exsicc. - Orlido CA '; Gates CA ; Ocampo CA ; Lugod CA 4745; Estioko, Jr, CA 1806(CAHP). 10. SIDA Linnaeus Herbs or undershrubs erect, branched, rarely trailing. Stems glabrate or branches more or less stellately pubescent. Leaves toothed, subentire, simple, occasionally somewhat lobed. Flowers axillary, solitary or cymosely clustered at distal ends of branches; involucre absent; calyx lobes valvate; petals yellow, free above, otherwise connate, basal portion adnate to staminal tube; stamens numerous, free toward top; carpels 5 or more, each with solitary pendulous ovule; styles papillate at subcapitate end. Fruits globosely compressed, leathery, finally separating from axis, pointed or more usually 2-awned at summit, seldom beakless.
19 Malvaceae Figu re 120. Malvastrum coromandelianum: 1. flowering and fruiting branch; 2. capsule; 3. mericarp; 4. pistil; 5. flower; 6. calyx; 7. petal; 8. two kinds of involucre (epicalyx); 9. seed; 1Q. portion of young stem, enlarged; 11. leaf, (a) dorsal and (b) ventral views.
20 95. Malvaceae 403 Species 200, mostly in the New World; many weed species are pantropic; 10 in the Philippines. 1. Herbs prostrate, slender, spreading, suffrutescent S. javensis 1. U ndershrubs or herbs suffrutescent erect, branched, 2. Leaves cordate, velvety-pubescent with intermixed,long, spreading hairs S.cordifolia 2. Leaves not cordate; stellate-pubescent or nearly glabrous 3. Leaves lanceolate, acute S. acuta 3. Leaves oblong to rhomboid, obovate or cuneate 4. Leaves oblong to rhomboid; pedicels 2-4 cm long; mericarps terminated by awn 1.5 mm long or exaristate S. rhombifolia 4. Leaves variable, usually obovate or cuneate; pedicels cm long; mericarps terminated by awn,1-2 mm long S. rhombifolia ssp. retusa 1. Sidajavensis Cav., Diss. 1: 10, t. 1, f 5, 1785; S.Y Hu, Malvac. in FL China Fam. 153,25,1955; Borss., Blumea 14 (1): ssp. javensis Figure 121 Herbs trailing. Stems up to 60 cm in length, with scattered stellate hairs or nearly glabrous. Leaves orbicular-ovate, 1-3 cm long, acute or slightly acuminate, base prominently cordate, margins coarsely toothed, sometimes obscurely lobed or trilobed; peduncles axillary, solitary, elongated, jointed in middle; calyx green, 5 mm long, segments triangular, acute or acuminate; corolla 7 mm in diameter. Carpels 5, each 2-awned at apex, awns slender, as long as carpels. Southeastern Asia and Malesia. Widely distributed in the Philippines; weed in shaded places in the lowlands. Com. name -Igat-igat (Ilk.). Exsicc. - Sibayan CA 1814,1816; Valencia CA 1815* (CAHP). 2. Sida cordifolia L., Sp. PI. 2: 684,1753; Li, Woody FI. Taiwan 549, t. 213, Figure 122 Herbs erect, suffrutescent, m high, densely pubescent with intermixed, long, spreading hairs. Leaves ovate, cm long, obtuse, cordate, prominently dentate-serrate, densely pubescent on both surfaces. :-'Iowers axillary, often crowded on younger branches forming leafy racemes; calyx densely pubescent. Carpels prominently rugose, awns as long as carpels. Pantropic. Common and widely distributed in open wastelands in the Philippines.
21 Malvaceac Figure 121. Sida javensis ssp. javensis: 1. habit; 2. flower; 3. flower, vertical section; 4. capsule; 5. capsule, perianth removed; 6. seed, 2 views.
22 95. Malvaceae 405 I 5mm I Figure 122. Sida cordifolia: 1. habit; 2. capsule; 3. mericarp: 4. seed; 5. flower; 6. ovary, cross section; 7. ovary, vertical section.
23 Malvaceae Com. name - Gulipas (Sub.). Exsicc. - OrdoflO CA 1810; Fernandez CA 1811* (CAHP). 3. Sida acuta Burm. f, FI. Ind. 147, 1768; Borss., Blumea 14 (1): 186, ssp. acuta Figure 123 Undershrubs erect numerously branched, 1 m high or less. Leaves lanceolate, 3-5 x 1-2 cm, midrib straw-brown with obscure nerves, serrate, acute or acuminate, base rounded or obtuse; petioles short, somewhat pubescent; stipules linear. Flowers axillary, solitary or in pairs; pedicels short, slender, jointed near middle; calyx green, laciniate tips usually ciliate; corolla 1.35 cm in diameter. Ripe carpels 4-9, enclosed and exceeded by calyx, 3.5 mm long, rugose, 2-awned. Pantropic. In the Philippines, a common and abundant weed about towns and in abandoned fields. Com. name - Walis-walisan (Tag.). Exsicc. - BakerCA 1809; Esteban CA 1807,1808; Orlida CA 12972*, (CAHP); Elmer (US). 4. Sida rhombifo/ia L, Sp. PI. 2: 648, 1753; Borss., Blumea 14 (1): 195, ssp. rhombifo/ia Figure 124A Herbs erect, suffrutescent, m high, young branchlets minutely stellate. Leaves diverse in size, usually oblong to rhomboid, 1-4 cm long, midrib prominent beneath with obscure nerves, obscurely dentate, acute to rounded, obtuse to subcuneate at base; petioles short, cinereous; stipules setaceous, as long as petiole. Flowers axillary, solitary; pedicels slender, to 3 cm in length, usually jointed above middle; calyx green, persistent, ridged at base, lobes abruptly terminating into an elongated point; corolla 1.75 cm long. Ripe carpels 8-1 0, nearly smooth or somewhat rugose. 2.5 mm long, not awned, enclosed by calyx; seeds flattened, reniform, mm long, glabrous, dark brown or black. It is easily recognized by the pedicel which is usually Jointed above middle and much longer than petiole and by the persistent calyx which is ridged at base. Throughout the tropical and subtropical regions of both the Old and New World. In the Philippines, it is a common weed in wastelands, roadsides, pastures, between rows in upland crops, plantations and fallow fields. Com. name - Takling-baka (Pang.). Exsicc. - Lugad CA 4776; BlancaverCA 4779* (CAHP); Canicasa (US).
24 95. Malvaceae ) 197) Figu re 123. Sida acuta ssp. acuta: 1. habit; 2. leaf; 3. flower; 5. seed with two awns. 4. capsule;
25 Malvaceae Figure 124A. Sida rhombifolia ssp. rhombifolia: 1. root system; 2. flowering branch; 3. flower, top view; 4. flower, petals excised; 5. leaves; 6. mericarp; 7. seed. B. Sida rhombifolia ssp retusa: 1. flower, top view; 2. leaves; 3. mericarp, 4. seed.
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